english={'name':'英语','chileren':[]};
japan={'name':'日语','chileren':[]};
foren={'name':'外语系','chileren':[english,japan]};

safe={'name':'网络安全专业','chileren':[]};
info={'name':'信息管理专业','chileren':[]};
net={'name':'网络系','chileren':[safe,info]};

hua={'name':'华软','chileren':[net,foren]}

print(hua['name']);
for jie in hua.get('chileren'):
	print('  ',jie['name']);
	for j in jie.get('chileren'):
		print('    ',j['name']);